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  1. supstr

    Use of Stainless Steel 2205

    To add on to my previous response, I would assume that the hardness of the plate/bar could be controlled more easily since cold working could be performed with more ease than an a relatively more intricate shape.
  2. supstr

    Use of Stainless Steel 2205

    EdStainless, This part will bear against a guide bar/plate made of stainless steel as well. The main stipulation in the client's specification and in the industry standard for this component is that the guide bar/plate surface have a hardness of 20-50 BHN than the part since the guide bar/plate...
  3. supstr

    Use of Stainless Steel 2205

    EdStainless, This part bears on a surface, the contact pressure is about 76 ksi. Which spec are you referring to? I was informed that ASTM A890 should be used for type 2205 castings. This spec includes J92205, however, does not state hardness. This is likely because of the reason you mentioned...
  4. supstr

    Use of Stainless Steel 2205

    Hello, I have a part that will be subject to high cyclic loading, cycles of being immersed in salt water to being in the dry, and requires a 50 year design life. The hardness of this part is significant as the part moves and hence its surface must remain relatively undeformed in order to ensure...
  5. supstr

    RCP Through an Existing Concrete Seawall

    SlideRuleEra I like the actions that you proposed. I agree that placing such large and heavy piping through a small hole would be very challenging. I also agree that the pipe could potentially load the wall if the pipe foundation is not adequately stiff - possibly placing the last lay lengths...
  6. supstr

    RCP Through an Existing Concrete Seawall

    SlideRuleEra, I got out to the field to see each of the walls. I have attached a few photos for reference. Here are some of my observations: The walls are not driven concrete sheet piling as I expected, they seem to be cantilever retaining walls - I could see the front portion of the base...
  7. supstr

    RCP Through an Existing Concrete Seawall

    SlideRuleEra, No problem, I appreciate your replies and your questions will help me prepare for the site visit. I have many of the same questions that you have and I will have to get some more information to update the thread with early next week. I wanted to prepare a bit in advance of the...
  8. supstr

    RCP Through an Existing Concrete Seawall

    SlideRuleEra, Would this detail transfer the flexural load in the wall to the ends of the wall? Perhaps, I misled with the wording of my post, see sketch below of an elevation view of option 1: I think a collar would be a good option for restraining axial load in the pipe. In this case, the...
  9. supstr

    RCP Through an Existing Concrete Seawall

    I'm working on the details for making an opening in an existing concrete seawall through which a 48" RCP will pass through at one location and a 72" RCP will pass through at another location. The seawall is located in a canal. No drawings or information is available for the seawall other than...

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